CN104049703A - Proportionally current sharing power adapter and mobile electronic device with power adapter - Google Patents
Proportionally current sharing power adapter and mobile electronic device with power adapter Download PDFInfo
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- CN104049703A CN104049703A CN201310076330.4A CN201310076330A CN104049703A CN 104049703 A CN104049703 A CN 104049703A CN 201310076330 A CN201310076330 A CN 201310076330A CN 104049703 A CN104049703 A CN 104049703A
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Abstract
The invention discloses a proportionally current sharing power adapter, which is used for providing a power supply for a mobile electronic device. The power adapter comprises a plurality of power supply modules, wherein each power supply module comprises a power unit, a current sharing integrated circuit and a shunt resistor, each power unit receives an external power supply and provides an output power, each current sharing integrated circuit is electrically connected with the corresponding power unit, and each shunt resistor is electrically connected between the power supply output end of the corresponding power unit and the corresponding current sharing integrated circuit. When the power supply modules are electrically connected in parallel, the power units provide a connecting signal for the mobile electronic device through the corresponding shunt resistors, and in addition, the current sharing integrated circuits carry out proportion allocation on the output power of the corresponding power units according to the power required by the mobile electronic device.
Description
Technical field
The present invention is about a kind of power supply adaptor and have the electronic apparatus of this adapter, espespecially a kind of ratio uniform flow type power supply adaptor and have the electronic apparatus of this adapter.
Background technology
Along with E arriving from generation to generation, electronic product is almost surrounded on arround life, for convenient life with meet liking and health of consumer, electronic product more advances towards light, thin, short, little target.In addition, the volume of whole electronic product, weight and stability and power supply unit are closely bound up, and therefore, the design of power supply unit just more seems important.
Equal proportion current-sharing (current sharing) technology is applied in redundant power supply (the redundant power supply) use of server mostly at present.The fresh power supply adaptor field that is applied in less little wattage.But, will be by really very limited to the power supply adaptor miniaturization that used now and lightweight, also therefore, concerning the user of electronic apparatus, once this electronic apparatus of out using (as notebook computer, panel computer etc.), except needs carry this electronic apparatus, conventionally also need to carry again the power supply adaptor of collocation, could operate for a long time this electronic apparatus, if the electronic apparatus using is not only one time, the burden and inconvenience that will cause out using to carry.
Therefore, how to design a kind of ratio uniform flow type power supply adaptor and there is the electronic apparatus of this adapter, the technology of proportion of utilization current-sharing, realize the parallel operation of different output power, and can this power supply adaptor of modularization, form removably framework, to provide tool flexible power supply capacity, and carry and the selection convenience using, be a large problem that overcomes and solve for creator of the present invention institute wish row.
Summary of the invention
An object of the present invention is to provide a kind of ratio uniform flow type power supply adaptor, to overcome the problem of prior art.Therefore described ratio uniform flow type power supply adaptor provides power supply supply to electronic apparatus.Described power supply adaptor comprises multiple power modules.Described in each, power module comprises power cell, current-sharing integrated circuit and by-passed resistor.Described power cell has power output end and signal output part, to receive external power source, and provides output power.Described current-sharing integrated circuit is electrically connected described power output end and the described signal output part of described power cell.Described by-passed resistor is electrically connected between the described power output end and described current-sharing integrated circuit of described power cell.Wherein, in the time of the electric connection in parallel of described power module, described power cell is via corresponding described by-passed resistor, provide and connect signal to described electronic apparatus, and, the power that described current-sharing integrated circuit is required according to described electronic apparatus, carries out proportional distribution to the described output power of corresponding described power cell.
In a preferred embodiment of the present invention, described in each, current-sharing integrated circuit has load distribution pin position; In the time of the electric connection in parallel of described power module, described in each, the described load of current-sharing integrated circuit distributes pin position to be electrically connected each other.
In a preferred embodiment of the present invention, described in each, power module also comprises:
Adjusting resistance, is electrically connected the adjustment pin position of described signal output part and the described current-sharing integrated circuit of described power cell, the output voltage of corresponding described power module to finely tune.
In a preferred embodiment of the present invention, the output rating ratio of described power module and the resistance value ratio of described by-passed resistor are inversely proportional to.
Another object of the present invention is to provide a kind of electronic apparatus with ratio uniform flow type power supply adaptor, to overcome the problem of prior art.The electronic apparatus therefore with ratio uniform flow type power supply adaptor comprises electronic apparatus and power supply adaptor.Described power supply adaptor comprises multiple power modules.Wherein, described in each, power module comprises power cell, current-sharing integrated circuit and by-passed resistor.Described power cell has power output end and signal output part, to receive external power source, and provides output power.Described current-sharing integrated circuit is electrically connected described power output end and the described signal output part of described power cell.Described by-passed resistor is electrically connected between the described power output end and described current-sharing integrated circuit of described power cell.Wherein, be electrically connected when described power module is in parallel, and provide power supply for seasonable to described electronic apparatus, described power cell is via corresponding described by-passed resistor, provide and connect signal to described electronic apparatus, and the power that described current-sharing integrated circuit is required according to described electronic apparatus, carries out proportional distribution to the described output power of corresponding described power cell.
In a preferred embodiment of the present invention, described in each, current-sharing integrated circuit has load distribution pin position; In the time of the electric connection in parallel of described power module, described in each, the described load of current-sharing integrated circuit distributes pin position to be electrically connected each other.
In a preferred embodiment of the present invention, described in each, power module also comprises:
Adjusting resistance, is electrically connected the adjustment pin position of described signal output part and the described current-sharing integrated circuit of described power cell, the output voltage of corresponding described power module to finely tune.
In a preferred embodiment of the present invention, the output rating ratio of described power module and the resistance value ratio of described by-passed resistor are inversely proportional to.
In a preferred embodiment of the present invention, described electronic apparatus can be notebook computer, panel computer or intelligent mobile phone.
In a preferred embodiment of the present invention, described power module forms and is electrically connected with inserting mode, and is connected with described electronic apparatus by electric power connection line.
Technology, means and effect of taking for reaching predetermined object in order further to understand the present invention, refer to following about detailed description of the present invention and accompanying drawing, believe object of the present invention, feature and feature, when being goed deep into thus and concrete understanding, but appended accompanying drawing only provide with reference to and explanation use, be not used in addition limitr of the present invention.
Brief description of the drawings
Fig. 1 is the circuit box schematic diagram of ratio uniform flow type power supply adaptor of the present invention;
Fig. 2 A is the use schematic diagram that the present invention has electronic apparatus first embodiment of ratio uniform flow type power supply adaptor;
Fig. 2 B is the use schematic diagram that the present invention has electronic apparatus second embodiment of ratio uniform flow type power supply adaptor;
Fig. 2 C is the use schematic diagram that the present invention has electronic apparatus the 3rd embodiment of ratio uniform flow type power supply adaptor.
Wherein, Reference numeral:
11 first power module 112 first power cells
114 first current-sharing integrated circuit R
sHUNT1the first by-passed resistor
R
aDJ1first adjusting resistance LS the first load distributes pin position
ADJ first adjusts pin position V+ power output end
S+ signal output part 12 second source modules
122 second power cell 124 second current-sharing integrated circuit
R
sHUNT2the second by-passed resistor R
aDJ2the second adjusting resistance
LS the second load distributes pin position ADJ second to adjust pin position
Io load current Io1 the first output current
Io2 the second output current LOAD load
100 notebook computer 21 first power modules
211 first plug 212 sockets
213 first link 22 second source modules
221 second plug 222 second links
30 electric power connection lines
Embodiment
Relevant the technical content and a detailed description, coordinate brief description of the drawings as follows:
The present invention discloses a kind of ratio uniform flow type power supply adaptor, provides power supply supply to an electronic apparatus.This power supply adaptor comprises multiple power modules.Each this power module comprises a power cell, a current-sharing integrated circuit and a by-passed resistor.This power cell has a power output end and a signal output part, to receive an external power source, and provides an output power.This current-sharing integrated circuit is electrically connected this power output end and this signal output part of this power cell.This by-passed resistor is electrically connected between this power output end and this current-sharing integrated circuit of this power cell.In the time of the electric connection in parallel of those power modules, those power cells are via corresponding those by-passed resistors, provide a connection signal to this electronic apparatus, and, the power that those current-sharing integrated circuit are required according to this electronic apparatus, carries out proportional distribution to this output power of corresponding this power cell.
For convenience of description, referring to Fig. 1, is the circuit box schematic diagram of ratio uniform flow type power supply adaptor of the present invention, in this embodiment, supposes that this power supply adaptor comprises two power modules, is respectively one first power module 11 and a second source module 12.This first power module 11 mainly comprises one first power cell 112, one first current-sharing integrated circuit 114 and one first by-passed resistor R
sHUNT1.This first current-sharing integrated circuit 114 is electrically connected this power output end V+ and this signal output part S+ of this first power cell 112.Wherein, this power output end V+ is the power supply output cathode end of this first power cell 112, and the V-that diagram is drawn is in addition the power supply output negative pole end of this first power cell 112; This signal output part S+ is the signal output cathode end of this first power cell 112, and the S-that diagram is drawn is in addition the signal output negative pole end of this first power cell 112.This first by-passed resistor R
sHUNT1be electrically connected between this power output end V+ and this first current-sharing integrated circuit 114 of this first power cell 112.This second source module 12 mainly comprises one second power cell 122, one second current-sharing integrated circuit 124 and one second by-passed resistor R
sHUNT2.This second current-sharing integrated circuit 124 is electrically connected this power output end V+ and this signal output part S+ of this second power cell 122.Wherein, this power output end V+ is the power supply output cathode end of this second power cell 122, and the V-that diagram is drawn is in addition the power supply output negative pole end of this second power cell 122; This signal output part S+ is the signal output cathode end of this second power cell 122, and the S-that diagram is drawn is in addition the signal output negative pole end of this second power cell 112.This second by-passed resistor R
sHUNT2be electrically connected between this power output end V+ and this second current-sharing integrated circuit 124 of this second power cell 122.
When this first power module 11 is during with the electric connection in parallel of this second source module 12, this first power cell 112 is via this first by-passed resistor R
sHUNT1provide one first to connect signal to this electronic apparatus, and this second power cell 122 is via this second by-passed resistor R
sHUNT2provide one second to connect signal to this electronic apparatus, so, and then indicate this electronic apparatus, this output power size of this first power cell 112 and this second power cell 122.Wherein, this first by-passed resistor R
sHUNT1with this second by-passed resistor R
sHUNT2resistance value provided by this electronic apparatus manufacturer, therefore, when this electronic apparatus receives and judges that this first connection signal is connected signal with second, can detect this output power size of this first power cell 112 and this second power cell 122.Then, the power that this first current-sharing integrated circuit 114 is required according to this electronic apparatus with this second current-sharing integrated circuit 124, to respectively this first power cell 112 and this output power of this second power cell 122 being carried out to proportional distribution, to provide correct power supply to this electronic apparatus.Wherein, this first by-passed resistor R
sHUNT1with this second by-passed resistor R
sHUNT2resistance value design, be inversely proportional to this first power module 11 and the output rating of this second source module 12, that is, as this first by-passed resistor R
sHUNT1with this second by-passed resistor R
sHUNT2resistance value ratio and this first power module 11 be R with the output rating proportionate relationship of this second source module 12
sHUNT1: R
sHUNT2=P12:P11.Wherein, P11 and P12 represent respectively the output rating size of this first power module 11 and this second source module 12.That is to say, this power supply adaptor provides the load current Io size of a load LOAD, equal the summation of the one second output current Io2 that one first output current Io1 that this first power module 11 provides and this second source module 12 provide, and this first output current Io1 and this second output current Io2 can obtain this first power module 11 and the sharing control that this second source module 12 provides by this first current-sharing integrated circuit 114 and this second current-sharing integrated circuit 124.
Be worth mentioning, this the first current-sharing integrated circuit 114 has a load and distributes (load sharing) pin position LS, this the second current-sharing integrated circuit 124 also has a load and distributes (load sharing) pin position LS, therefore, when this first power module 11 is during with the electric connection in parallel of this second source module 12, this two load distributes pin position LS to be electrically connected to each other, so, those loads that provide with this second current-sharing integrated circuit 124 by this first current-sharing integrated circuit 114 distribute pin position LS to dock situation, detect this first power module 11 and whether complete electric connection in parallel with this second source module 12.In addition, this first power module 11 more comprises one first adjusting resistance R
aDJ1.This first adjusting resistance R
aDJ1be electrically connected this signal output part S+ of this first power cell 112 and an adjustment pin position ADJ of this first current-sharing integrated circuit 114, to finely tune the output voltage of this first power module 11.Similarly, this second source module 12 more comprises one second adjusting resistance R
aDJ2.This second adjusting resistance R
aDJ2be electrically connected this signal output part S+ of this second power cell 122 and an adjustment pin position ADJ of this second current-sharing integrated circuit 124, to finely tune the output voltage of this second source module 12.As for being used in conjunction with of those power modules and this electronic apparatus, referring to below and will be described in detail.
Referring to Fig. 2 A, Fig. 2 B and Fig. 2 C is that the present invention has electronic apparatus the first embodiment, second embodiment of ratio uniform flow type power supply adaptor and the use schematic diagram of the 3rd embodiment.From the above, in those embodiment, still describe as an example of two groups of power modules example.As shown in Figure 2 A, this first power module 21 has one first plug 211, a socket 212 and one first link 213; This second source module 22 has one second plug 221 and the second link 222.Be worth mentioning, can inserting mode form after electric connection (coordinating the C referring to Fig. 2) with this second source module 22 at the first power module 21, then to this electronic apparatus power supply.In addition, this first power module 21 also can be individually individually to this electronic apparatus power supply with this second source module 22.In those embodiment, this electronic apparatus is a notebook computer 100, but not as limit, this electronic apparatus also can be panel computer, intelligent mobile phone etc.
In the first embodiment, this first power module 21 is connected with this notebook computer 100 by an electric power connection line 30, wherein, this electric power connection line 30 is connected in this first link 213 of this first power module 21 and the power input of this notebook computer 100.Now, in the time that this first plug 211 of this first power module 21 connects an external ac power source, this first power module 21 can be changed this AC power individually into an output power, and then this notebook computer 100 is powered.
As shown in Figure 2 B, this second source module 22 can be powered to this notebook computer 100 individually, now, only need to, by this electric power connection line 30 of former this first link 213 that is plugged on this first power module 21, be forwarded to this second link 222 of this second source module 22.Now, in the time that this second plug 221 of this second source module 22 connects this external ac power source, can complete this notebook computer 100 is powered.
As shown in Figure 2 C, this first power module 21 can inserting mode form electric connection with this second source module 22, and this notebook computer 100 is powered.More particularly, this second plug 221 of this second source module 22 is directly plugged to this socket 212 of this first power module 21, to reach the electric connection in parallel with this second source module 22 of this first power module 21.Now, then while connecting this external ac power source by this first plug 211 of this first power module 21, can complete this notebook computer 100 is powered.
In practical application, the output power of this first power module 21 is greater than the output power of this second source module 22, so that more flexible power supply capacity to be provided, but not as limit.User can be for using kind, the time span of this electronic apparatus, and the convenience of carrying etc. factor, depends on that the use of those power modules is selected.More particularly, if user need to use the occasion of larger output power, this first power module 21 of portability is powered to this electronic apparatus separately, or carries this first power module 21 and peg graft and use with this second source module 22, to this electronic apparatus power supply.Or, if user need use the occasion of less output power, can only carry this second source module 22 separately to this electronic apparatus power supply.
In sum, the present invention has following feature & benefits:
1, the technology of proportion of utilization current-sharing, realizes the parallel operation of different output power;
2, the technology of this ratio current-sharing, can be applicable to the different circuit topologies (topology) of this power supply adaptor;
3, can this power supply adaptor of modularization, form removably framework, to provide tool flexible power supply capacity;
4, user can be for using kind, the time span of this electronic apparatus, and the convenience of carrying etc. factor, depends on that the use of those Modular electrical source adapters is selected.
Although the present invention with embodiment openly as above, so it is not in order to limit the present invention, and any those skilled in the art, without departing from the spirit and scope of the present invention, when doing a little change and amendment, are as the criterion with claim therefore protection scope of the present invention is worked as.
Claims (10)
1. a ratio uniform flow type power supply adaptor, provides power supply supply to electronic apparatus; It is characterized in that, described power supply adaptor comprises:
Multiple power modules, described in each, power module comprises:
Power cell, has power output end and signal output part, to receive external power source, and provides output power;
Current-sharing integrated circuit, is electrically connected described power output end and the described signal output part of described power cell; And
By-passed resistor, is electrically connected between the described power output end and described current-sharing integrated circuit of described power cell;
Wherein, in the time of the electric connection in parallel of described power module, described power cell is via corresponding described by-passed resistor, provide and connect signal to described electronic apparatus, and, the power that described current-sharing integrated circuit is required according to described electronic apparatus, carries out proportional distribution to the described output power of corresponding described power cell.
2. ratio uniform flow type power supply adaptor as claimed in claim 1, is characterized in that, described in each, current-sharing integrated circuit has load distribution pin position; In the time of the electric connection in parallel of described power module, described in each, the described load of current-sharing integrated circuit distributes pin position to be electrically connected each other.
3. ratio uniform flow type power supply adaptor as claimed in claim 1, is characterized in that, described in each, power module also comprises:
Adjusting resistance, is electrically connected the adjustment pin position of described signal output part and the described current-sharing integrated circuit of described power cell, the output voltage of corresponding described power module to finely tune.
4. ratio uniform flow type power supply adaptor as claimed in claim 1, is characterized in that, the output rating ratio of described power module and the resistance value ratio of described by-passed resistor are inversely proportional to.
5. an electronic apparatus with ratio uniform flow type power supply adaptor, is characterized in that, comprises:
Electronic apparatus; And
Power supply adaptor, comprises multiple power modules, and wherein, described in each, power module comprises:
Power cell, has power output end and signal output part, to receive external power source, and provides output power;
Current-sharing integrated circuit, is electrically connected described power output end and the described signal output part of described power cell; And
By-passed resistor, be electrically connected the described power output end of described power cell and described current-sharing integrated circuit between;
Wherein, be electrically connected when described power module is in parallel, and provide power supply for seasonable to described electronic apparatus, described power cell is via corresponding described by-passed resistor, provide and connect signal to described electronic apparatus, and the power that described current-sharing integrated circuit is required according to described electronic apparatus, carries out proportional distribution to the described output power of corresponding described power cell.
6. the electronic apparatus with ratio uniform flow type power supply adaptor as claimed in claim 5, is characterized in that, described in each, current-sharing integrated circuit has load distribution pin position; In the time of the electric connection in parallel of described power module, described in each, the described load of current-sharing integrated circuit distributes pin position to be electrically connected each other.
7. the electronic apparatus with ratio uniform flow type power supply adaptor as claimed in claim 5, is characterized in that, described in each, power module also comprises:
Adjusting resistance, is electrically connected the adjustment pin position of described signal output part and the described current-sharing integrated circuit of described power cell, the output voltage of corresponding described power module to finely tune.
8. the electronic apparatus with ratio uniform flow type power supply adaptor as claimed in claim 5, is characterized in that, the output rating ratio of described power module and the resistance value ratio of described by-passed resistor are inversely proportional to.
9. the electronic apparatus with ratio uniform flow type power supply adaptor as claimed in claim 5, is characterized in that, described electronic apparatus can be notebook computer, panel computer or intelligent mobile phone.
10. the electronic apparatus with ratio uniform flow type power supply adaptor as claimed in claim 5, is characterized in that, described power module forms and is electrically connected with inserting mode, and is connected with described electronic apparatus by electric power connection line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310076330.4A CN104049703A (en) | 2013-03-11 | 2013-03-11 | Proportionally current sharing power adapter and mobile electronic device with power adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310076330.4A CN104049703A (en) | 2013-03-11 | 2013-03-11 | Proportionally current sharing power adapter and mobile electronic device with power adapter |
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| Publication Number | Publication Date |
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| CN104049703A true CN104049703A (en) | 2014-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310076330.4A Pending CN104049703A (en) | 2013-03-11 | 2013-03-11 | Proportionally current sharing power adapter and mobile electronic device with power adapter |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113964887A (en) * | 2021-10-25 | 2022-01-21 | 环荣电子(惠州)有限公司 | Power supply configuration system with power adapter and power supply output module |
| US11799311B2 (en) | 2019-08-21 | 2023-10-24 | Power Integrations, Inc. | Current sharing for multi-output charging device |
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